VDB-330447 · CVE-2025-12477 · GCVE-0-2025-12477

Azure Access BLU-IC2/BLU-IC4 up to 1.19.5 missing authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Azure Access BLU-IC2 and BLU-IC4 up to 1.19.5. It has been classified as critical. The impacted element is an unknown function. Performing a manipulation results in missing authentication. This vulnerability is reported as CVE-2025-12477. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Azure Access BLU-IC2 and BLU-IC4 up to 1.19.5. This affects an unknown code block. The manipulation with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Server Version Disclosure.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5 .

The weakness was disclosed by Kevin Schaller, Benjamin Lafois, Alexi Bitsios, Sebastian Toscano and Dominik Schneider. It is possible to read the advisory at azure-access.com. This vulnerability is uniquely identified as CVE-2025-12477 since 10/29/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/07/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Azure Access

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.8

VulDB Base Score: 9.8
VulDB Temp Score: 9.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/29/2025 Advisory disclosed
10/29/2025 +0 days CVE reserved
10/29/2025 +0 days VulDB entry created
11/07/2025 +9 days VulDB entry last update

Sourcesinfo

Advisory: azure-access.com
Researcher: Kevin Schaller, Benjamin Lafois, Alexi Bitsios, Sebastian Toscano, Dominik Schneider
Status: Not defined

CVE: CVE-2025-12477 (🔒)
GCVE (CVE): GCVE-0-2025-12477
GCVE (VulDB): GCVE-100-330447

Entryinfo

Created: 10/29/2025 18:49
Updated: 11/07/2025 23:42
Changes: 10/29/2025 18:49 (65), 11/07/2025 23:42 (9)
Complete: 🔍
Cache ID: 216::103